Fuji Electric RDA24LATU User manual

INVERTER SPLIT TYPE
AIR CONDITIONER (50Hz)
DUCT TYPE
CONTENTS
SPECIFICATIONS . . . . . . . . . . . . . . . . . . . 1
DIMENSIONS . . . . . . . . . . . . . . . . . . . . . . 2
CIRCUIT DIAGRAM
. . . 4REFRIGERANT SYSTEM DIAGRAM
. . . . . . . . . . . . . . . . . 5
ERROR CONTENTS
. . . . . 8INDOOR PCB CIRCUIT DIAGRAM
. . 14OUTDOOR PCB CIRCUIT DIAGRAM
. . . . . . . . . . . . . . . . 16
PARTS (indoor unit) . . . . . . . . . . . . . . . . 18
PARTS (outdoor unit) . . . . . . . . . . . . . . . 21
ACCESSORIES . . . . . . . . . . . . . . . . . . . 24
Indoor unit Outdoor unit
RDA24LATU
RDA24LATU
RDA24LATU
RDA24LATU
RDF24LBTU
RDF24LBTU
ROA24LACL
ROA24LALL
ROB24LACL
ROB24LALL
ROA24LALL
ROB24LALL

2009.07.09 1
SPECIFICATIONS
TYPE Inverter Cool & Heat
INDOOR UNIT RDA24LATU, RDF24LBTU
OUTDOOR UNIT ROA24LA_L ROB24LA_L
COOLING CAPACITY 7.10 kW
HEATING CAPACITY 8.00 kW
POWER SOURCE 230 V
FREQUENCY 50 Hz
RUNNING CURRENT
Cooling 9.7 A
Heating 9.7 A
INPUT WATTS Cooling 2.21 kW
Heating 2.21 kW
E.E.R. Cooling 3.21 kW/kW
Heating 3.61 kW/kW
10.1 A
10.2 A
2.32 kW
2.33 kW
3.06 kW/kW
3.43 kW/kW
STARTING CURRENT 10.0 A
MOISTURE REMOVAL 2.5 L/hr
MAXIMUM CURRENT 13.5 A
TYPE Hermetic type, 4 poles,
DC motor, Twin Rotary
DISCRIMINATION DA150AIF-20NA
COMPRESSOR WEIGHT (with oil)
10.0 kg
REFRIGERANT TYPE
PRECHARGED REFRIGERANT
R410A
1,700 g
MFG-24RV
830 r.p.m.
700 r.p.m.
600 r.p.m.
550 r.p.m.
1,050 r.p.m.
MFE-24ROAM
Discrimination
Discrimination
High
FAN SPEED
INDOOR UNIT Med
Low
OUTDOOR UNIT
Heating
1,050 r.p.m.
Cooling
DIMENSIONS Indoor unit 270 x 1,135 x 700 mm
H x W x D Outdoor unit 578 x 790 x 315 mm
WEIGHT Indoor unit 45 kg / 38 kg
Gross / Net Outdoor unit 48 kg / 44 kg
ELECTRICAL DATA
COMPRESSOR AND REFRIGERANT
Note : The above list shows values at the external static pressure of
30Pa, setting the fan speed high notch. (indoor unit)
Note : The above list shows values at the external static pressure of
30Pa, setting the fan speed high notch. (indoor unit)
AIR FLOW
INDOOR UNIT
1,100 m3/h
OUTDOOR UNIT 2,470 m3/h
High
Med 950 m3/h
Low 800 m3/h
600 m3/h
Cooling
Heating 2,470 m3/h
Note : The above list shows values at the external static pressure of
30Pa, setting the fan speed high notch. (indoor unit)
Pipe Length 15 m 1,700 g
FULL CHARGE
20 m 1,800 g
25 m
30 m
1,900 g
2,000 g
MAXIMUM PIPE HEIGHT 20 m
ADDITIONAL CHARGE 20 g/m
NOISE LEVEL
MEASUREMENT
High speed 31 dB
INDOOR UNIT
Med speed 29 dB
Low speed
Quiet
Quiet
Quiet
Cooling
Heating
27 dB
25 dB
52 dB
53 dB
OUTDOOR UNIT
Note : Static pressure : 30Pa
Duct length : Inlet 1m, Outlet 2m (indoor unit)
When you dismantle indoor units which are installed,
take care not to make parts fall down, especially motors.

DIMENSIONS
Unit : mm
INDOOR UNIT
2008.06.26 2
1,135
1,177
1,015
139 264 264 264
107
32
114
66
32
54
240
281
168
283
477
700
173
161
40
39
240
132
240 16
121
270

OUTDOOR UNIT
Unit : mm
2006.09.29 3
Top view
Front view
Side view
Bottom view
Drain pipe
mounting place
( 20)
189
177
347
540
31566790
121
578
320
10
184
4- 10mm hole
Air flow

REFRIGERANT SYSTEM DIAGRAM
OUTDOOR UNIT INDOOR UNIT
2006.10.23 4
StrainerStrainer
4-Way
valve
2-Way
valve
3-Way
valve
Muffler
Muffler
Expansion
valve
Compressor
Accumulator
Heat exchanger
Heat exchanger
Cool
Heat
: THERMISTOR (COMPRESSOR TEP.)
: THERMISTOR (PIPE TEP.)
: THERMISTOR (ROOM TEP.)
: THERMISTOR (DISCHARGE TEP.)
: THERMISTOR (HEAT EXCHANGER MED TEP.)
: THERMISTOR (HEAT EXCHANGER OUT TEP.)
: THERMISTOR (OUTDOOR TEP.)
Refrigerant pipe diameter
Liquid : 1/4" (6.35 mm)
Gas : 5/8" (15.88 mm)

BLACK
WHITE
RED
BROWN
YELLOW
WHITE
BLACK
RED
GREEN GREEN
WHITE
WHITE
WHITE
RED
BLACK
GRAY GRAY GRAY GRAY
GRAY
GRAY GRAY
GRAY
GRAY
GRAY GRAY
BLACK
BLACK
GRAY
GRAY
1 2 345678
1 2 345678
123 4 5 678
1 2 345678
1 2 3
123
1 2 3
123
123
12
1 2 12
1 2
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
1
2
3
4
5
61
2
1
2
3
4
5
6
7
1
2
3
1
2
3
1
2
1
2
1
2
3
1
2
3
4
5
1
2
3
4
5
1 2
12
121 2
CN7 CN8
CN5
CN4 CN1
CN104 CN101
CN102 CN103 CN108
E101 E102
W105
W101
W102
CN106
CN105
CN10 CN11CN9 CN12
CN14 CN13
CN6 CN3
TERMINAL
TERMINAL
TO REMOTE CONTROL
TO OUTDOOR UNIT
COIL
ROOM THERMISTOR
PIPE THERMISTOR
123
1 2 3
CONTROLLER
PCB ASSY
( MAIN PCB )
F101
FUSE
3.15A
250V
POWER SUPPLY
PCB ASSY
F M
FAN
MOTOR
GREEN / YELLOW
1
2
3
2008.07.25 5
INDOOR UNIT
RDA24LATU
CIRCUIT DIAGRAM

GRAY
GRAY
BLACK
BLACK
RED
WHITE
BLACK
RED
WHITE
BLACK
YELLOW
BROWN
WHITE
BLACK
RED
GRAY GRAY GRAY GRAY GRAY GRAY
GRAY
GRAY
GRAY GRAY
GRAY
1 2 3 4 5 6 7 8 1 2 3
12 3 4 5 6 7 812 3
12 3 4 5 6 7 812 3
12 3 4 5 6 7 812 3
12 3 1 2 1 2
12
1
2
1212
2
1212
1
1
2
3
4
5
6
7
1
2
3
1
2
3
1
2
1
2
3
1
2
3
4
5
1
2
3
4
5
1
2
3
1
2
1
2
3
4
5
6
1
2
3
4
5
6
1
2
3
4
5
6
7
1
2
3
4
5
6
7
8 8
GREEN / YELLOW
GREEN
GREEN
WHITE
WHITE
CN101
W105
W102
W101
CN108
CN103
CN102
CN104
E101 E102
CN105
CN106
CN4 CN1
CN5 CN7 CN8
CN12
CN11
CN9CN10
CN6 CN14 CN13 CN3
TERMISTOR
( PIPE TEMP. )
TERMISTOR
( ROOM TEMP. )
TERMINAL
TERMINAL
F101
1 2 3
1 2 3
TO OUTDOOR UNIT
TO REMOTE CONTROL
COIL
FUSE
3.15A 250V
F M
FAN MOTOR
CONTROLLER
PCB ASSEMBLY
POWER SUPPLY
PCB ASSEMBLY
4
5
6
1
2
3
4
5
CN2
2009.06.29 6
INDOOR UNIT
RDF24LBTU

BLACK
RED
WHITE
YELLOW
BLUE
RED
WHITE
BLACK
RED
BROWN
BLUE
ORANGE
YELLOW
WHITE
BLACK
BLACK
BLACK
BLACK
BLACK
BLACK
BLACK
WHITE
WHITE
RED
BROWN
BROWN
BROWN
BROWN
BLACK
BLACK
WHITE
RED
YELLOW YELLOW
GREEN
BLACK BLACK
BLACK
1
2
3
4
5
6
1
2
3
4
5
6
1
2
3
4
5
6
1
2
3
4
5
6
1
2
3
1
2
3
1
2
3
1
2
3
1
2
1
2
1
2
1
2
1
2
3
4
1
2
3
4
12
1
2
1
2
3
1
2
3
RED
WHITE
BLACK
CN71
CN73
CN72
CN70
W4
W2
W1
W3
W11
W10
CN40
CN801
W7
W8
W9
CN30
4-WAY
VALVE
4WV
PMV
F M
S (S)
C (T)
R (R)
FAN MOTOR
EXPANSION
VALVE
COMPRESSOR
C M
REACTOR
PIPE
THERMISTOR
DISCHARGE PIPE
THERMISTOR
COMPRESSOR
THERMISTOR
PIPE ( MID )
THERMISTOR
OUTDOOR
THERMISTOR
FUSE
250V 5A
TERMINAL
TO INDOOR UNIT POWER SOURCE
2
( N )
1 3 L N
FUSE 250V 20A
CONTROLLER PCB ASSY
2008.07.25 7
OUTDOOR UNIT

E102
E101
UL1015 AWG20 WHITE
UL1015 AWG20 WHITE
UL1015 AWG22 RED
UL1015 AWG22 BLACK
UL1015 AWG22 WHITE
UL1015 AWG22 YELLOW
UL1015 AWG22 BROWN
UL1015 AWG16
GREEN
UL1015 AWG16
GREEN
UL1015 AWG20 BLACK UL1015 AWG20 WHITE
UL1015 AWG20 RED
UL1430 AWG26 GRAY
UL1430 AWG26 GRAY
UL1430 AWG26 GRAY
UL1430 AWG26 GRAY
UL1430 AWG26 GRAY
UL1430 AWG26 GRAY
UL1430 AWG26 GRAY
UL1430 AWG26 GRAY
UL1430 AWG26 GRAY
UL1430 AWG26 GRAY
UL1430 AWG26 GRAY
UL1430 AWG22 WHITE
UL1430 AWG22 BLACK UL1430 AWG22 RED
BLACK
BLACK
GRAY
GRAY
CN2-1
CN2-2
CN2-3
CN2-4
CN2-5
CN15-1
CN15-2
CN15-3
CN15-4
CN15-5
CN15-6
CN3-1
CN3-2
CN3-3
CN3-4
CN3-5
CN3-6
CN4-1
CN4-2
CN4-3
CN4-4
CN4-5
CN4-6
CN4-7
CN4-8
CN1-1
CN1-2
CN1-3
CN108-1
CN108-2
CN102-1
CN102-2
CN102-3
CN103-1
CN103-2
CN106-1
CN106-2
CN105-6
CN105-5
CN105-4
CN105-3
CN105-2
CN105-1
CN104-1
CN104-2
CN104-3
CN104-4
CN104-5
CN104-6
CN104-7
CN104-8
CN101-1
CN101-2
CN101-3
CN11-1
CN11-2
CN11-3
CN11-4
CN11-5
CN12-1
CN12-2
CN12-3
CN12-4
CN12-5
CN9-1
CN9-2
CN9-3
CN14-1
CN14-2
CN14-3
CN13-1
CN13-2
CN13-3
CN13-4
CN13-5
CN13-6
CN5-1
CN5-2
CN13-7
CN7-1
CN7-2
CN8-1
CN8-2
CN6-1
CN6-2
CN10-1
CN10-2
ROOM THERMISTOR
PIPE ( MID ) THERMISTOR
REMOTE CONTROL
TERMINAL BOARD
1
23
EARTH WIRE
W105W102
W101
3
2(N)
1
TERMINAL BOARD
OUTDOOR UNIT
F M
DC FAN MOTOR
NORMAL COIL
E I B I N
E I B OUT
DRAIN PUMP
FLOAT SWITCH
HEATER
FRESH AIR
DC SUPPLY
POWER DRIVE
EMI FILTER
2T
CN1
B03B-PASK-1
WHITE
CN4
B08B-PASK-1
WHITE
CN3
B06B-PASK-1
WHITE
CN15
B06B-XASK-1
WHITE
CN2
B5P-SHF-1AA
WHITE
CN106
B2P3-VH-B-E
BLUE
CN103
B2B-XH-AM
WHITE
CN105
B5P6-VH-B
WHITE
CN102
B3B-XH-AM
WHITE
CN108
B2P3-VH-B
WHITE
CN104
B08B-PASK-1
WHITE
CN101
B03B-PASK-1
WHITE
CN13
B07B-PASK-1
WHITE
CN14
B03B-XAKK-1
BLACK
CN6
B02B-PAMK-1
GREEN
CN10
B02B-PAOK-1
ORANGE
CN11
B05B-XASK-1
WHITE
CN12
B05B-XARK-1-A
RED
CN9
B03B-XARK-1-A
RED
CN8
B02B-XASK-1-A
WHITE
CN7
B02B-XAYK-1-A
YELLOW
CN5
B02B-XAKK-1-A
BLACK
POWER SUPPLY PCB ASSEMBLY
K06AL-0603HSE-P0
CONTROLLER PCB ASSEMBLY
K06AK-0605HSE-C1
2008.01.24 8
CONTROLLER ASSEMBLY
RDA24LATU : EZ-00605HSE
INDOOR PCB CIRCUIT DIAGRAM

I C1
uPD78F0535
34
39
36
43
44
45
46
33
32
31
30
29
28
27
26
18
19
20
21
22
23
11
12
13
14
38
37
41
40
25
9
42 52
51
50
49
48
47
56
55
54
53
8
7
6
5
4
3
2
1
64
63
62
61
60
59
58
57
17
16
15
24
10
35
AVDD
AVREF
VDD0
VDD1
I C
RST
P00 P34
P01 P35
P02
P03
P10
P11
P12
P13
P14
P15
P16
P17
P20
P21
P22
P23
P24
P25
P30
P31
P32
P33
XT1
XT2
X1
X2
P36
P40
P41
P42
P43
P44
P45
P46
P47
P50
P51
P52
P53
P54
P55
P56
P57
P64
P65
P66
P67
P70
P71
P72
P73
P74
P75
AGND
GND0
GND1
JM6
0R0
R56
100K
<1/10W>
5V
C27
0.1
<F>
C38
0.1 <F>
I C7
S80842
NC
2
1
3
4
VDD
OUT GND
NC 5V
R41 1.0K
<1/10W>
R43
10K
<1/10W>
5V
R44
10K
<1/10W>
C26
0.01
<F>
C25
10/
25V
+
INDICATOR
CN13
B07B-PASK-1
PIPE TEMP. TH. ( MID )
CN5
B02B-XAKK-1-A
PIPE TEMP. TH. ( ENT )
CN7
B02B-XAYK-1-A
ROOM TEMP. TH.
CN8
B02B-XASK-1-A
5V
R59
10K
<1/10W>
R60
49.9K
<1/10W>
R61
49.9K
<1/10W>
C29
0.1
<F>
C30
0.1
<F>
C34
0.1
<F>
R57
1.0K
<1/10W>
R58
1.0K
<1/10W>
R62
1.0K
<1/10W>
5V
FLOAT SWITCH
CN9
B03B-XARK-1-A
R46
1.0K
<1/10W>
C31
0.01
<F>
R45
10K
<1/10W>
C8 - C10
0.1 <F> x 3
R4 - R6
1.0K <1/10W> x 3
R1 - R3
10K <1/10W> x 3
5V
JM1
JM2
JM3
5V
C28
0.1
<F>
C33
0.1
<F>
C32
100/
6.3V
+
CUSTOM CODE
CUSTOM CODE
HEATING FAN DELAY
12V
+C2
10/
25V
C3
0.01
<F>
5V
D4
1SS355
I C8
NJM7812
D1
1SS355
I C2
NJM7805
13.5V
5V C1
10/
25V
+
IO
G
IO
G
13
2
2
3
1
R19
R20
R22
R21
1.0K <1/10W> x 4
R15 - R18
10K <1/10W> x 4
5V
5V
C4 - C7
0.01 <F> x 4
Q3
DTC124EKA
R70
10K
<1/10W>
1
2
3
C37
0.1
<F>
1000P <R> x 3
C35 C12 C11
R67 1.0K
<1/10W>
5V
1.0K <1/10W> X 3R63
R64
R65
10K <1/10W> x 4
R66
R32
R23
R24
13.5V
R26
10K
<1/10W> R25
1.0K
<1/10W>
5V
C14
1000P
<R>
C16
0.01
<F>
R29
390
<1/10W>
R28
10K
<1/10W>
3
2
1
Q1
DTC124EKA
C15
0.01
<F>
5V
5V
C17
0.01
<F>
C18
0.01
<B>
R27
330
<1/10W>
R31
10K
<1/10W>
R34
1.0K
<1/10W>
R30
10K
<1/10W>
R33
10K
<1/10W>
Q2
DTC124EKA
BZ1
PKM13EPYH-4000-A0
R36
0R0
R35
1.0K
<1/10W>
13.5V
R47
390
<1/10W>
B Z
1
2
3
1
2
3
4
5
6
7
8
9
16
15
14
13
12
11
10
1
2
3
4
5
6
7
I
I
I
I
I
I
I
SK
O1
O2
O3
O4
O5
O6
O7
GND
I C4
uLN2003ADR
13.5V
13.5V
13.5V
C36
0.47
<F>
5V
X1
5.00MHz
<CSTLS>
3
1
2
13.5V I C3
uLN2003ADR
SW1
CFS-04 2MC
R11 - R14
10K <1/10W> x 4
R7 - R10
1.0K <1/10W> x 4
C19 - C22
0.1 <F> x 4
5V
C13
0.1
<F>
R37
10K
<1/10W>
R40
10K
<1/10W>
I C5
BR93L56RF
1
2
3
6
8
4
7
5
CS
SK
D I
NC
VCC
DO
NC
GND
8
7
6
5
4
3
2
1
9
16
15
14
13
12
11
10
8
1
2
3
4
5
6
7
SK
O1
O2
O3
O4
O5
O6
O7
GND
I 1
I 2
I 3
I 4
I 5
I 6
I 7
5V
R55
10K
<1/10W>
12V
12V
D3
D1FS4A
12V
R48
10K
<1/10W>
R53
28K
<1/10W>
R54
15.4K
<1/10W>
I C6-1
BA10393F
I C6-2
BA10393F
-
-
+
+
1
7
3
2
5
6
D2
DAN217U
3
1 2
C23
0.01
<F> C24
1000P
<R>
R42
47
<1/10W>
CN14
B03B-XAKK-1-A
REMOTE CONTROL UNIT
CN11
B05B-XASK-1-A
LOUVER ( UP / DOWN )
CN12
B05B-XARK-1-A
LOUVER ( RHIGT / LEFT )
CN10
B02B-PAOK-1
HEATER
CN6
B02B-PAMK-1
FRESH AIR
CN4
B08B-PASK-1
POWER DRIVE
CN3
B06B-PASK-1
SP PCB
CN2
B5P-SHF-1AA
TEST
CN1
B03B-PASK-1
DC SUPLLY
1
2
3
4
5
6
1
2
3
4
5
1
2
3
1
2
3
4
5
6
7
8
1
2
1
2
1
2
3
4
5
1
2
3
4
5
1
2
3
1
2
3
4
5
6
7
1
2
1
2
1
2
1
2
3
2007.08.30 9
INDOOR UNIT
CONTROLLER PCB ASSEMBLY
RDA24LATU : K06AK-0605HSE-C1